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Embedded systems are becoming more and more complex, thus demanding innovative means to tame their challenging development. Among others, early architecture optimization represents a crucial activity in the development of embedded systems to maximise the usage of their limited resources and to respect their real-time requirements. Typically, architecture optimization seeks good architecture candidates...
Typically, architecture optimization searches for good architecture candidates based on analyzing a model of the system. Model-based analysis inherently relies on abstractions and estimates, and as such produces approximations which are used to compare architecture candidates. However, approximations are often not sufficient due to the difficulty of accurately estimating certain extra-functional properties...
In many domains of embedded systems, the increasing performance demands are tackled by increasing performance capacity through the use of multicore technology. However, adding more processing units also introduces the issue of task allocation - decisions have to be made which software task to run on which core in order to best utilize the hardware platform. In this paper, we present an optimization...
When a project had followed advices from the best practices, we can raise a question whether the success (or failure) of the project came from following (or not following) the best practices, or whether there were additional reasons that led to the positive (or negative) outcome. In this paper we analyze a case of a student project performed as a part of our Distributed Software Development course...
Multicore technology provides a way to improve the performance of embedded systems in response to the demand in many domains for more and more complex functionality. However, increasing the number of processing units also introduces the problem of deciding which task to execute on which core in order to best utilize the platform. In this paper we present a model-based approach for automatic allocation...
Students and teachers do not necessarily have the same understanding of a course - of the purpose, the objective, and in particular of the course elements - the way the course is performed, the examination procedure, and similar. In distributed-development courses, in which students and teachers are dispersed over different locations, this difference can be larger than in “ordinary” courses, but also...
Settling down the software architecture for embedded system is a complex and time consuming task. Specific concerns that are generally issued from implementation details must be captured in the software architecture and assessed to ensure system correctness. The matter is further complicated by the inherent complexity and heterogeneity of the targeted systems, platforms and concerns. In addition,...
We present an approach to combine model-driven and component-based software engineering of distributed embedded systems. Specifically, we describe how deployment modelling is performed in two steps, and present an incremental synthesis of runnable representations of model entities on various abstraction levels. Our approach allows for flexible reuse opportunities, in that entities at different levels...
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